[PostGIS] #5849: Doc building failing

[PostGIS]

#5849: Doc building failing
--------------------------+---------------------------
 Reporter:  robe          |      Owner:  robe
     Type:  defect        |     Status:  new
 Priority:  medium        |  Milestone:  PostGIS 3.6.0
Component:  QA/buildbots  |    Version:  3.4.x
 Keywords:                |
--------------------------+---------------------------
 Looks like debbie's make dist which also builds the docs has been failing
 since Jan 27th with this error


 {{{
 16:05:50 ln -fs html/images .; # work around
 https://trac.osgeo.org/postgis/ticket/5422
 16:05:50 /usr/bin/dbtoepub -c
 "/var/lib/jenkins/workspace/PostGIS_Make_Dist/label/debbie/cc75b983ed9e36b4124e108141e5c638f4da1a6a/doc/html/style.css"
 \
 16:05:50  -o postgis-3.6.0dev-en.epub \
 16:05:50        postgis-out.xml
 16:05:51 Note: namesp. cut : stripped namespace before processing
 PostGIS 3.6.0dev Manual
 16:07:59 /usr/lib/ruby/2.7.0/rexml/parsers/baseparser.rb:520:in `block in
 unnormalize': uninitialized constant REXML::Parsers::BaseParser::Security
 (NameError)
 16:07:59 Did you mean?  SecurityError
 16:07:59        from
 /usr/lib/ruby/2.7.0/rexml/parsers/baseparser.rb:513:in `each'
 16:07:59        from
 /usr/lib/ruby/2.7.0/rexml/parsers/baseparser.rb:513:in `unnormalize'
 16:07:59        from /usr/lib/ruby/2.7.0/rexml/parsers/pullparser.rb:79:in
 `pull'
 16:07:59        from /usr/lib/ruby/vendor_ruby/dbtoepub/docbook.rb:217:in
 `get_image_refs'
 16:07:59        from /usr/lib/ruby/vendor_ruby/dbtoepub/docbook.rb:178:in
 `copy_images'
 16:07:59        from /usr/lib/ruby/vendor_ruby/dbtoepub/docbook.rb:112:in
 `bundle_epub'
 16:07:59        from /usr/lib/ruby/vendor_ruby/dbtoepub/docbook.rb:54:in
 `render_to_file'
 16:07:59        from /usr/bin/dbtoepub:72:in `block in <main>'
 16:07:59        from /usr/bin/dbtoepub:61:in `each'
 16:07:59        from /usr/bin/dbtoepub:61:in `<main>'
 16:07:59 make: *** [Makefile:462: postgis-3.6.0dev-en.epub] Error 1
 16:07:59 Build step 'Execute shell' marked build as failure
 16:07:59 [Gitea] do not publish assets due to build being non-Successfully
 16:07:59 Finished: FAILURE
 }}}

 I don't recall having run any patch updates in that time, but it's
 possible
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5849>
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